421-235 This billet aluminum alternator pulley is black anodized and replaces the original and now discontinued painted steel OEM versions from Mercury.
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421-231
This billet aluminum crankshaft pulley is black anodized and replaces the original and now discontinued painted steel OEM versions from Mercury.
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421-301K Billet 454/502 Mercury Serpentine Pulley Kit
This kit comes with:
- 1 - Crankshaft pulley
- 1 - Circulating pump pulley
- 1 - Sea pump pulley
- 1 - Power steering pulley
- 1 - 17mm straight shaft Alternator pulley (Does not work with Mando)
- 1 - Idler pulley
All pulleys are CNC machined and are tumble polished (semi-polished, satin finish).
NOTE: This kit will not retrofit V-Belt Pulley Systems to Serpentine. It is to replace existing Serpentine setups only!
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421-226 These billet aluminum pulleys are black anodized and replace the original and now discontinued painted steel OEM versions from Mercury.
Fits:
- 496 Mag base & HO: 0W310000 & up
- 496 Mag EC Base & HO: 1A066164 thru 1A350440.
- 496 HO bravo: 1G400000 & up.
- 8.2 Mag base & HO: 1S351597 & up.
- 8.2 Mag EC base & HO: 1A350340 & up.
Kit includes:
- Crank pulley
- Circulation pump pulley
- Alternator pulley
- 17mm shaft power steering pulley & hub
Kit does not include:
- 625-4278 sea pump pulley
- 625-8178BK smooth idler pulley
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421-230 This billet aluminum circulating pump pulley is black anodized and replaces the original and now discontinued painted steel OEM versions from Mercury.
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421-225 These billet aluminum pulleys are black anodized and replace the original and now discontinued painted steel OEM versions from Mercury.
Fits 496 Mag Base & HO:
- 0M025000 thru 0M687082
- 0M687082 thru 0W059999
- 0W060000 thru 0W309999
Kit includes:
- Crank pulley
- Circulation pump pulley
- Alternator pulley
- 19mm shaft power steering pulley & hub
Kit does not include:
- 625-4278 sea pump pulley
- 625-8178BK smooth idler pulley
- 625-8179BK ribbed idler pulley
- If using these idlers you will need to purchase a smaller belt.
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421-238 This billet aluminum crank pulley is black anodized and replaces the original and now discontinued painted steel OEM versions from Mercury. 17mm shaft. Fits
- 496 Mag base & HO: 0W310000 & up
- 496 Mag EC Base & HO: 1A0666164 thru 1A350440.
- 496 HO bravo: 1G400000 & up.
- 8.2 Mag base & HO: 1S351597 & up.
- 8.2 Mag EC base & HO: 1A350340 & up.
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421-237 This billet aluminum crank pulley is black anodized and replaces the original and now discontinued painted steel OEM versions from Mercury. 19mm shaft. Fits 496 Mag Base and HO:
- 0M025000 thru 0687082
- 0M687082 thru 0W059999
- 0W060000 thru 0W309999
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This Part has options, please click the button below to order.
421-201K Billet V-Groove Engine Pulley Kit For Mercury Big Block Chevy Generation 4
This kit includes:
- (1) 3-groove crankshaft front pulley
- (1) Sea pump pulley
- (1) Power steering pulley with mandrel
- (1) Alternator Pulley. D Shaped Shaft
At Hardin Marine we manufacture the finest high speed deep groove engine pulleys available. Each pulley is manufactured from 6061-T6 billet aluminum using Tru-Trac technology. Tru-Trac allows the V-belt to ride deep in the belt groove for maximum belt contact. Both the power steering and sea pump pulley use mandrel mounting features that protect the pulley from undue shaft heat. The most common cause for failure in lesser quality pulleys is caused from heat transferring to the pulley releasing from the shaft causing undue damage and safety hazards. All Hardin Marine shaft mount style pulleys use mandrels assuring you the best money can buy.
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This Part has options, please click the button below to order.
421-202K Billet V-Groove Engine Pulley Kit For Mercury Big Block Chevy Generation 5 & 6
This kit includes:
- (1) 3-groove crankshaft front pulley
- (1) Sea pump pulley
- (1) Power steering pulley with mandrel
- (1) Alternator Pulley. D Shaped Shaft
At Hardin Marine we manufacture the finest high speed deep groove engine pulleys available. Each pulley is manufactured from 6061-T6 billet aluminum using Tru-Trac technology. Tru-Trac allows the V-belt to ride deep in the belt groove for maximum belt contact. Both the power steering and sea pump pulley use mandrel mounting features that protect the pulley from undue shaft heat. The most common cause for failure in lesser quality pulleys is caused from heat transferring to the pulley releasing from the shaft causing undue damage and safety hazards. All Hardin Marine shaft mount style pulleys use mandrels assuring you the best money can buy.
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421-219 Double Groove V-Belt Alternator Pulley for use on alternators with round pulley shaft. 2-5/8" OD. Fits a .670" Round Shaft.
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421-221 Gen 6 BBC Serpentine Power Steering Pulley
These power steering pulleys mount with a mandrel so you can bolt the pulley
to the mandrel. Some manufacturers have you press their pulleys on, these
usually work themselves off due to belt heat & pump heat. Always use a mandrel
for mounting. Raw Finish.
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625-4312
Replacement 496 Sea Pump Axius 7" Pulley and Mandrel Kit
This billet pulley is designed as a replacement for popular MerCruiser Axius applications. Will fit stock MerCruiser or Hardin Gen 7 Pump. For 350, 496, 502 Mag with 7" diameter Axius pulley applications only. Includes mandrel and bolts.
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625-8107 Hub, Xover P/S Pump-Pulley
Power steering pump mandrel. Fits late model power steering pumps with
plastic reservoir, and krc style pumps, both with a 0.669" diameter shaft.
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625-8223 Billet Serpentine Idler Pulleys - Merc EFI Ribbed Idler Pulley 4.42" Diameter
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This Part has options, please click the button below to order.
625-822 + Option(s) Mercury 600/662/700 Upper Blower Pulley
Billet aluminum blower pulley, 3.25" or 3.50" diameter. NOTE: The 3.50" pulley has slots cut in the pulley face while the 3.25" pulley does NOT have the slots cut in the pulley face.
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625-4002 Pulley Mandrel Mercury Sea Pumps.
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421-218 S/C BBC 3 Groove Crank Pulley
- BBC 3grv crank pulley for Supercharger application.
- Will fit either 3 or 6 bolt damper.
- 5.40 outside diameter by 2.350 thick
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625-4364 Smooth Idler Pulley
OD of belt surface is 2.420". Fits 0.675" shaft.
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